PKI在P2P-Grid安全计算平台中的应用

PKI Application under P2P-Grid Security Computing Platform

由于P2P系统节点的分布性,集中式的安全控制方式难以有效使用。借鉴网格计算的安全技术,提出了将PKI技术应用到P2P-Grid计算平台中的设计方案,首先由客户端发出请求,通过CA服务器认证后,与网格服务器建立安全连接,并按照一定的访问控制策略将任务分配到获准使用的网格节点。网格节点资源采用P2P的PeerGroup形式进行组织和管理,由PeerGroup中的Peer完成分布式计算,然后将各个Peer的计算结果汇总到网格服务器,最后将计算结果返回到客户端。该设计方案在一定程度上实现了在P2P-Grid平台上分布计算的安全性。

Because of the distribution of peer in P2P system,concentrative security control method is difficult to work efficiently.Learning from the security technology of Grid computing,we put forward a security strategy that PIG technology can be applied to P2P-Grid computing platform.In the system,clients send out request firstly,after authenticated by CA server,a connection with grid serve is to be set up,then task is distributed to those grid-peers according to some given access control policy.Grid-peer source can be organized and managed by the PeerGroup in P2P system.At last,the results are collected to grid server and then return to clients.The method realizes not only the distributed computation but also enhance s its security.